Finding the Third Proportional to 40,113.19 and 85,919.06

Step by Step Solution

1. Step 1: Write the proportion equation
   40,113.19 : 85,919.06 = 85,919.06 : x
2. Step 2: Convert to fraction form
   40,113.19/85,919.06 = 85,919.06/x
3. Step 3: Cross multiply
   40,113.19x = 85,919.06 × 85,919.06
4. Step 4: Simplify right side
   40,113.19x = 7,382,085,300.88
5. Step 5: Solve for x
   x = 7,382,085,300.88/40,113.19
6. Step 6: Final answer
   x = 184,031.38